covalent bond

美 [ˌkoʊˈveɪlənt bɑːnd]英 [ˌkəʊˈveɪlənt bɒnd]
  • 共价键
covalent bondcovalent bond

noun

1
a chemical bond that involves sharing a pair of electrons between atoms in a molecule

数据来源:WordNet

  1. Increase of covalent bond ( S S ) among proteins ;

    蛋白质分子间共价键(SS)力增大;

  2. Relationship between the covalent bond energy of sulfides and their precipitation behavior in steel

    钢中部分硫化物共价键能与其析出行为的关系

  3. Variation Rule of Covalent Bond Length and Its Calculation Method

    共价键长的变化规律及计算

  4. Discussion on the method of estimating partial ionic properties of covalent bond

    对共价键的部分离子性估算的讨论

  5. The role of electric spin forming of covalent bond

    电子自旋在共价键成键中的作用

  6. Proving the empirical relations of the covalent bond lengths with a approximate physical model

    共价键长间经验关系的近似模型证明

  7. A new approach on covalent bond theory & brief introduction of the hypothesis of electron hole pair

    共价键理论新探&电子空位对假说简介

  8. The covalent bond in liquid Al-Si alloy and effect of Sr on the bond

    液态Al&Si合金中的共价键及Sr的影响

  9. A covalent bond in which both electrons are provided by one of the atoms .

    两个电子都由一个原子提供的共价键。

  10. Empirical formulas for calculating covalent bond length

    计算共价键长的经验公式

  11. What 's the definition of the covalent bond ?

    共价键的定义是什么?

  12. The atom that contributes no electrons to a covalent bond .

    受体没有给共价键提供电子的原子。

  13. Further study is needed before the origin of the covalent bond can be considered a settled question .

    需进一步深入研究方能解决共价键的起源问题。

  14. The relations of the covalent bond lengths calculated by the model agree with the empirical ones .

    由此计算出来的共价单键、双键和叁键之间的键长关系基本符合共键长间的经验关系。

  15. A substance that provides a pair of electrons for a covalent bond with an acid .

    能够提供一对电子给一个酸形成共价键的化合物。

  16. Composite structural model containing covalent bond cross-linking non-chemical bond association is proposed for sedimentary organic matter .

    根据溶胀-抽提机理研究分析,作者首次提出了沉积有机质中包含共价键交联结构和分子间非化学键缔合结构在内的新的复合结构模型。

  17. A covalent bond is any time we have a pair of electrons that is shared between two different atoms .

    所谓共价键就是我们有两个原子,共用一对电子。

  18. The exploration on ionicity standard in covalent bond

    共价单键离子性标度的探讨

  19. The results show : their bond order of Al and covalent bond order of Al-O bond are alike ;

    研究结果表明:两者结构中Al的键级和Al&O键共价键级大致相同。

  20. Silicon carbide was a strong covalent bond compound , which had favorable high temperature , electricity , mechanism and chemistry capability .

    碳化硅材料是共价键极强的化合物,具有良好的高温性能、电性能、机械性能和化学性能。

  21. The ability of an atom to attract electrons , and in particular , in a covalent bond .

    原子对电子的吸引能力,特别是在共价键中。

  22. So natural HA is chemically modified in the study and the methods include ion cross-linking and covalent bond cross-linking .

    为此,本课题对天然的HA采用了离子交联法和共价键交联法进行了化学修饰,目的是延长HA在体内的滞留时间,并对两种交联方法进行了对比实验研究。

  23. SiC is combined by and Si by covalent bond , Which is a kind of non-oxide materials .

    碳化硅是由碳和硅以共价键为主结合而成的化合物,属非氧化物材料。

  24. Peroxide : Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent Bond .

    过氧化物:任何由两个氧原子以单个共价键相互结合在一起的一类化合物。

  25. Preparation of Supported Acidic Ionic Liquid by Covalent Bond Grafting and Its Catalysis in Synthesis of n-Butyl Acetate

    键合接枝法制备固载酸性离子液体及其催化合成醋酸丁酯

  26. Theoretical Study of the [ 60 ] Fullerene Sulfur-bridge Covalent Bond Linked Tetrathiafulvalene Derivatives

    富勒烯C(60)硫桥键联四硫富瓦烯衍生物的理论研究

  27. Considering when most of different atoms combine together , the covalent bond and the electrovalent bond are concomitant .

    考虑到大多数异类原子结合是采取共价结合与离子结合之间的过渡形式。

  28. The nonlocal body moment causes the stress asymmetric and itself is caused by the covalent bond formed by the reaction between atoms .

    非局部体力矩引起应力的非对称性,而非局部体力矩则由原子晶格相互作用形成的共价键所产生的。

  29. Relationship of Forming of the Covalent Bond and the Hybridized Orbits of Diamond to Halo Circle of Hard superhard Materials

    金刚石共价键及其杂化轨道的形成与硬&超硬材料晕圈图和新元素周期表的关系

  30. A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons .

    两个原子对共用电子对具有相同的引力时,则形成非极性共价键。